Remove unused Sphinx snippet renderer (#75886)

devel-common/src/sphinx_exts/docs_build/code_utils.py

@@ -17,7 +17,6 @@
 from __future__ import annotations
 
 import os
-from contextlib import suppress
 from pathlib import Path
 
 from sphinx_exts.provider_yaml_utils import load_package_data
@@ -35,50 +34,6 @@ PROCESS_TIMEOUT = 15 * 60 * 2
 CONSOLE_WIDTH = 250
 
 
-def prepare_code_snippet(file_path: str, line_no: int, context_lines_count: int = 5) -> str:
-    """
-    Prepares code snippet.
-
-    :param file_path: file path
-    :param line_no: line number
-    :param context_lines_count: number of lines of context.
-    """
-
-    def guess_lexer_for_filename(filename):
-        from pygments.lexers import get_lexer_for_filename
-        from pygments.util import ClassNotFound
-
-        try:
-            lexer = get_lexer_for_filename(filename)
-        except ClassNotFound:
-            from pygments.lexers.special import TextLexer
-
-            lexer = TextLexer()
-        return lexer
-
-    with open(file_path) as text_file:
-        # Highlight code
-        code = text_file.read()
-        with suppress(ImportError):
-            import pygments
-            from pygments.formatters.terminal import TerminalFormatter
-
-            code = pygments.highlight(
-                code=code, formatter=TerminalFormatter(), lexer=guess_lexer_for_filename(file_path)
-            )
-
-        code_lines = code.splitlines()
-        # Prepend line number
-        code_lines = [f"{line_no:4} | {line}" for line_no, line in enumerate(code_lines, 1)]
-        # # Cut out the snippet
-        start_line_no = max(0, line_no - context_lines_count)
-        end_line_no = line_no + context_lines_count
-        code_lines = code_lines[start_line_no:end_line_no]
-        # Join lines
-        code = "\n".join(code_lines)
-    return code
-
-
 def pretty_format_path(path: str, start: str) -> str:
     """Formats path nicely."""
     relpath = os.path.relpath(path, start)